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Hair Conditioning

POLYQUATERNIUM-53

CAS 84647-38-1
70

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A cationic conditioning polymer used in hair and skin care for smoothness and slip. Generally well tolerated, with the usual cationic-polymer caveats around eyes.

Function

HAIR CONDITIONING

Skin benefits

  • Hair conditioning — reduces static and improves combability
  • Skin-conditioning film former
  • Compatible with anionic surfactants
  • Non-irritating in rinse-off

Known concerns

  • Cationic polymer — possible mild eye irritation
  • Limited public safety literature on the specific PQ-53 grade
  • Bioaccumulation/biodegradation data thin

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.